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The Recovery Time between Early Mild Stress and Final Acute Stress Affects Survival Rate, Immunity, Health, and Physiology of Oscar (Astronotus ocellatus)

SIMPLE SUMMARY: Stress plays key roles in the production and the welfare of different aquatic species. Ornamental fish farms systems, such as that of oscar, often experience mild handling stress. However, it is unknown how this early mild stress (EMS) can affect fish and other animals’ growth, physi...

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Autores principales: Zare, Mahyar, Heidari, Elaheh, Hosseini Choupani, Seyedeh Mahsa, Akhavan, Sobhan R., Rombenso, Artur, Esmaeili, Noah
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10215278/
https://www.ncbi.nlm.nih.gov/pubmed/37238036
http://dx.doi.org/10.3390/ani13101606
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author Zare, Mahyar
Heidari, Elaheh
Hosseini Choupani, Seyedeh Mahsa
Akhavan, Sobhan R.
Rombenso, Artur
Esmaeili, Noah
author_facet Zare, Mahyar
Heidari, Elaheh
Hosseini Choupani, Seyedeh Mahsa
Akhavan, Sobhan R.
Rombenso, Artur
Esmaeili, Noah
author_sort Zare, Mahyar
collection PubMed
description SIMPLE SUMMARY: Stress plays key roles in the production and the welfare of different aquatic species. Ornamental fish farms systems, such as that of oscar, often experience mild handling stress. However, it is unknown how this early mild stress (EMS) can affect fish and other animals’ growth, physiology, and health. Another question was whether the time of EMS occurrence could affect the fish survival rate to final acute stress. The result indicated that the time of EMS occurrence is a matter, and fish can be recovered from stress if there are no two consecutive stress events. ABSTRACT: This study investigated how the time interval between the last EMS (netting) and the acute confinement stress (AC stress) at the end of the experiment can influence growth, haematology, blood biochemistry, immunological response, antioxidant system, liver enzymes, and stress response of oscar (Astronotus ocellatus; 5.7 ± 0.8 g). Nine experimental treatments were tested, as follows: Control, Stress28 (EMS in weeks two and eight), Stress27 (EMS in weeks two and seven), Stress26 (EMS in weeks two and six), Stress25 (EMS in weeks two and five), Stress24 (EMS in week two and four), Stress23 (EMS in week two and three), Stress78 (EMS in week seven and eight), and Stress67 (EMS in week six and seven). After the nine-week experimental period, while it was not significant, fish exposed to Stress78 (26.78 g) and Stress67 (30.05 g) had the lowest growth rates. After AC stress, fish exposed to Stress78 (63.33%) and Control (60.00%) showed the lowest survival rate. The Stress78 fish displayed low resilience, illustrated by values of blood performance, LDL, total protein, lysozyme, ACH50, immunoglobin, complement component 4, complement component 3, cortisol, superoxide dismutase, catalase, and alanine aminotransferase. In conclusion, gathering consecutive stress and not enough recovery time in the Stress78 group negatively affected stress responsiveness and the health of oscar.
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spelling pubmed-102152782023-05-27 The Recovery Time between Early Mild Stress and Final Acute Stress Affects Survival Rate, Immunity, Health, and Physiology of Oscar (Astronotus ocellatus) Zare, Mahyar Heidari, Elaheh Hosseini Choupani, Seyedeh Mahsa Akhavan, Sobhan R. Rombenso, Artur Esmaeili, Noah Animals (Basel) Article SIMPLE SUMMARY: Stress plays key roles in the production and the welfare of different aquatic species. Ornamental fish farms systems, such as that of oscar, often experience mild handling stress. However, it is unknown how this early mild stress (EMS) can affect fish and other animals’ growth, physiology, and health. Another question was whether the time of EMS occurrence could affect the fish survival rate to final acute stress. The result indicated that the time of EMS occurrence is a matter, and fish can be recovered from stress if there are no two consecutive stress events. ABSTRACT: This study investigated how the time interval between the last EMS (netting) and the acute confinement stress (AC stress) at the end of the experiment can influence growth, haematology, blood biochemistry, immunological response, antioxidant system, liver enzymes, and stress response of oscar (Astronotus ocellatus; 5.7 ± 0.8 g). Nine experimental treatments were tested, as follows: Control, Stress28 (EMS in weeks two and eight), Stress27 (EMS in weeks two and seven), Stress26 (EMS in weeks two and six), Stress25 (EMS in weeks two and five), Stress24 (EMS in week two and four), Stress23 (EMS in week two and three), Stress78 (EMS in week seven and eight), and Stress67 (EMS in week six and seven). After the nine-week experimental period, while it was not significant, fish exposed to Stress78 (26.78 g) and Stress67 (30.05 g) had the lowest growth rates. After AC stress, fish exposed to Stress78 (63.33%) and Control (60.00%) showed the lowest survival rate. The Stress78 fish displayed low resilience, illustrated by values of blood performance, LDL, total protein, lysozyme, ACH50, immunoglobin, complement component 4, complement component 3, cortisol, superoxide dismutase, catalase, and alanine aminotransferase. In conclusion, gathering consecutive stress and not enough recovery time in the Stress78 group negatively affected stress responsiveness and the health of oscar. MDPI 2023-05-11 /pmc/articles/PMC10215278/ /pubmed/37238036 http://dx.doi.org/10.3390/ani13101606 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Zare, Mahyar
Heidari, Elaheh
Hosseini Choupani, Seyedeh Mahsa
Akhavan, Sobhan R.
Rombenso, Artur
Esmaeili, Noah
The Recovery Time between Early Mild Stress and Final Acute Stress Affects Survival Rate, Immunity, Health, and Physiology of Oscar (Astronotus ocellatus)
title The Recovery Time between Early Mild Stress and Final Acute Stress Affects Survival Rate, Immunity, Health, and Physiology of Oscar (Astronotus ocellatus)
title_full The Recovery Time between Early Mild Stress and Final Acute Stress Affects Survival Rate, Immunity, Health, and Physiology of Oscar (Astronotus ocellatus)
title_fullStr The Recovery Time between Early Mild Stress and Final Acute Stress Affects Survival Rate, Immunity, Health, and Physiology of Oscar (Astronotus ocellatus)
title_full_unstemmed The Recovery Time between Early Mild Stress and Final Acute Stress Affects Survival Rate, Immunity, Health, and Physiology of Oscar (Astronotus ocellatus)
title_short The Recovery Time between Early Mild Stress and Final Acute Stress Affects Survival Rate, Immunity, Health, and Physiology of Oscar (Astronotus ocellatus)
title_sort recovery time between early mild stress and final acute stress affects survival rate, immunity, health, and physiology of oscar (astronotus ocellatus)
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10215278/
https://www.ncbi.nlm.nih.gov/pubmed/37238036
http://dx.doi.org/10.3390/ani13101606
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